120566761 has 8 divisors (see below), whose sum is σ = 145042880. Its totient is φ = 97903728.

The previous prime is 120566749. The next prime is 120566783. The reversal of 120566761 is 167665021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120566761 - 2¹³ = 120558569 is a prime.

It is a super-2 number, since 2×120566761² = 29072687716062242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120566731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453126 + ... + 453391.

It is an arithmetic number, because the mean of its divisors is an integer number (18130360).

Almost surely, 2^120566761 is an apocalyptic number.

It is an amenable number.

120566761 is a deficient number, since it is larger than the sum of its proper divisors (24476119).

120566761 is an equidigital number, since it uses as much as digits as its factorization.

120566761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906543.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 120566761 is about 10980.2896592030. The cubic root of 120566761 is about 494.0177248909.

The spelling of 120566761 in words is "one hundred twenty million, five hundred sixty-six thousand, seven hundred sixty-one".